Analysis Summary
Notes:
- 1) No attempt has been made to eliminate the non-significant decimal places.
- 2) This batgrbproduct analysis is done using the HEASARC data.
- 3) This batgrbproduct analysis is using the flight position for the mask-weighting calculation.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Sat Jun 20 16:57:00 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger349592
======================================================================
Trigger: 00349592 Segment: 000
BAT Trigger Time: 261841416 [s; MET]
Trigger Stop: 261841480 [s; MET]
UTC: 2009-04-19T13:43:31.327920 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 196.975889867574 Dec: -75.6086233726775 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.88
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 8.88
Analysis Position: [ source = BAT ]
RA: 196.975889867574 Dec: -75.6086233726775 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 197.015143686887 Dec: -75.6197557290072 [deg; J2000]
{ 13h 08m 03.6s , -75d 37' 11.1" }
+/- 2.04266702127999 [arcmin] (estimated 90% radius based on SNR)
+/- 0.916877251101733 [arcmin] (formal 1-sigma fit error)
SNR: 10.9642513721642
Angular difference between the analysis and refined position is 0.888006 arcmin
Partial Coding Fraction: 0.96875 [ including projection effects ]
Duration
T90: 454.244000017643 +/- 56.4595861755141
Measured from: 18.6559999883175
to: 472.90000000596 [s; relative to TRIGTIME]
T50: 288.852000027895 +/- 66.2010143961493
Measured from: 61.5399999916553
to: 350.39200001955 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 319.263999998569
to: 320.263999998569 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.97600001096725
to: 525.448000013828 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.217349 1.426861 1.289854 0.331782
0.124148 0.122563 0.106855 0.098533 [error]
Peak 0.006607 0.011972 0.018669 0.012720
0.005403 0.005314 0.004880 0.004286 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 527.424 -1.976 525.448
T90 454.244 18.656 472.900
T50 288.852 61.540 350.392
Peak 1.000 319.264 320.264
====== Spectral Analysis Summary =====================================
Model : spectral model: simple power-law (PL) and cutoff power-law (CPL)
Ph_index : photon index: E^{Ph_index}
Ph_90err : 90% error of the photon index
Epeak : Epeak in keV
Epeak_90err: 90% error of Epeak
Norm : normalization at 50 keV in both the PL model and CPL model
Nomr_90err : 90% error of the normalization
chi2 : Chi-Squared
dof : degree of freedo
=== Time-averaged spectral analysis ===
(Best model with acceptable fit: PL)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -1.352 -0.157 0.158 - - - 5.19e-04 -4.38e-05 4.37e-05 57.160 57
CPL -1.344 -0.162 0.243 9998.770 -9998.770 -9998.770 5.21e-04 -3.76e-04 -2.73e-04 57.180 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: N/A)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -0.211 -0.968 1.438 - - - 2.25e-03 -2.25e-03 1.29e-03 64.740 57
CPL -0.323 -0.859 1.477 9999.360 -9999.360 -9999.360 2.39e-03 -2.39e-03 -2.39e-03 64.800 56
=== Fluence/Peak Flux Summary ===
Model Band1 Band2 Band3 Band4 Band5 Total
15-25 25-50 50-100 100-350 15-150 15-350 keV
Fluence PL 3.04e-07 6.12e-07 9.59e-07 3.32e-06 2.67e-06 5.20e-06 erg/cm2
90%_error_low -4.73e-08 -5.68e-08 -1.05e-07 -7.47e-07 -2.53e-07 -8.25e-07 erg/cm2
90%_error_hi 4.94e-08 5.61e-08 1.04e-07 8.96e-07 2.56e-07 9.50e-07 erg/cm2
Peak flux PL 2.72e-02 5.99e-02 1.04e-01 4.18e-01 2.84e-01 6.07e-01 ph/cm2/s
90%_error_low -2.72e-02 -5.99e-02 -1.04e-01 -2.86e-01 -2.84e-01 -2.60e-01 ph/cm2/s
90%_error_hi 6.33e-02 5.83e-02 3.70e-02 1.30e+00 1.85e-01 8.77e-01 ph/cm2/s
Fluence CPL 3.04e-07 6.08e-07 9.54e-07 3.52e-06 2.69e-06 5.24e-06 erg/cm2
90%_error_low N/A N/A -1.20e-07 -1.71e-06 N/A -1.64e-06 erg/cm2
90%_error_hi N/A N/A 1.29e-07 2.13e-07 N/A 3.69e-07 erg/cm2
Peak flux CPL 3.38e-02 1.83e-02 6.18e-03 3.53e-03 6.06e-02 6.22e-02 ph/cm2/s
90%_error_low -3.38e-02 -1.83e-02 -6.18e-03 -3.53e-03 -6.06e-02 -6.22e-02 ph/cm2/s
90%_error_hi 8.68e-02 3.60e-02 1.79e-02 8.23e-03 1.63e-01 1.95e-01 ph/cm2/s
======================================================================
Special notes of this burst